ultrasound speaker

Audio is a standing entertainment tool in life, but a lot of time the sound love out of such or such problems, the speaker does not sound how to solve it? 　　1, check the sound card driver is normal Cause the speaker does not sound a lot of problems, the most common is the computer sound card driver damage, whether it is the speaker or the headset will not have

little farther away from the speaker, "scream" will be gone. The distance from the speaker is too close, which is the second reason. The sound of "scream" in different positions is different. The speaker and the string are not in the correct angle, which is the third reason. Different sounds have different "cuts", that is, the frequency of the sound is incor

Many users who use the MacBook have encountered internal speaker failure, and the MacBook's built-in speaker fails, and its headphone holes will also light up red, as shown in the following figure. So what causes the MacBook's headphones to Kong Liang the red light? What should I do if the MacBook speaker doesn't sound? Here's a look at the solutions offered by u

After the phone APP control speaker is connected to Wi-Fi, the music playing software automatically discovers the speaker, so that you can control the playing of music through the speaker. The following figure shows the working topology:This document describes how to useAndroidSystem mobile phoneSet the TP-LINK speaker

Active speakers and passive speakers: Computer speakers are mainly divided into two types of speakers, active speakers and passive speakers. The way to distinguish these two speakers is simple. Active speaker is built with a small power amplifier, directly through the speaker line plugged into the computer's microphone interface, and then the power can be connected to work properly. Passive speakers are ge

Today in the query keyword "shenzhen ear nose Throat Hospital", found good horn information network to the force, in this keyword has 4 articles on the home page, ranking is also quite strong, as shown: 　　 Good Horn article page optimization analysis As an SEO practitioner, I first time to a good speaker website for some analysis, so as to understand the reasons for its ranking to force. Now let's look at the reasons for the good

How to use: 1, the speaker connected to the computer USB interface, under normal circumstances, after the USB speaker, the computer will automatically switch the sound card to this USB sound card, if the system does not switch to reboot speakers to try, if the reboot or did not switch over, then click on the system tray area of the small horn icon, you can see two sound indicators. There should be only one

Computer speakers are one of the most important external devices for multimedia computers, especially those "enthusiasts" players are at any price to buy high-quality speakers, how to buy the sound box? Its importance indicators are mainly as follows: Frequency response The hearing range of ordinary people's ears is the 25hz-20khz sound, therefore, the frequency of the speakers should be at least 45hz-20khz to ensure the basic coverage of the effective hearing range of human ears. Generally sp

1, is the quality of the speaker itself, of course, when we buy speakers, some speakers of the sound quality and effect itself will have a murmur, there is an active speaker inside the amplifier, the source of noise sources can be roughly divided into electromagnetic interference, mechanical noise and thermal noise. It will increase with the amplification of the sound. So the user in the selection of speake

Perhaps many users, especially music enthusiasts, will be in the audio and video experience in the volume size is difficult to grasp the problem, no matter how to adjust the speaker or playback software volume control will appear the bottom noise, distortion and other annoying phenomenon. A set of playback system, the sound card, speakers and playback software will have their own volume control options, these three specific how to adjust it? After ve

Speech recognition and speaker recognition-a short encounter This article mainly summarizes the experience of learning speech recognition... First knowledgeWhen I was a graduate student, I was focusing on low-bit-rate Speech Encoding Technology. However, I have heard that speech recognition is a very remarkable technology. As you can imagine, it would be exciting to have a conversation with a machine that is accessible. At that time, I simply learned

According to recent news, known to the Meizu friends know its earliest because of the player is famous, later Meizu became one of the earliest transformation to do mobile phone manufacturers. Today, Meizu has a pro, MX, the three main Blue smartphone series, the total sales of the last year even broke through 20 million, so that the outside world has speculated that this year's Meizu will also have what big move.Recently a new wireless WiFi speaker ca

Tags: Porter accept Task Usage WiFi tools host struct returnWork has been completed, first on the source:Https://files.cnblogs.com/files/qzrzq1/WIFISpeaker.zipThe full text contains three articles, this is the third chapter, mainly on the receiving end program principles and procedures.First article: Implement WiFi Wireless speaker based on Orangpi Zero and Linux alsa (i)Second article: Based on ORANGPI Zero and Linux alsa to implement WiFi wireless

1. In the boot, shutdown, restart and other operations, the speaker should be turned down to the minimum or the power off to prevent large current on the speakers caused damage. 2. Correctly set the sound card output mode. Generally we all use integrated AC97 sound cards, chassis back panel has 3 interfaces, we commonly use active speakers, so should be inserted line output interface (green), while the red interface is the microphone, the other is th

Setcategoryerror */} Activate Deactivate Audiosession[OBJC]View Plaincopy Nserror *error = nil; Avaudiosession *audiosession = [Avaudiosession sharedinstance]; BOOL ret = [audiosession setactive:yes error:error]; if (!ret) { NSLog (@ "%s-activate Audio session failed with error%@", __func__,[error description]); } [OBJC]View Plaincopy Nserror *error = nil; Avaudiosession *audiosession = [Avaudiosession sharedinstance]; Note:set Avaudi

For the first installation, Ubuntu10.10 is selected. The interface is beautiful and practical, saving time for configuration. But immediately after installation, a problem occurs: plug in the headset with sound, but the speaker does not sound. After a while, I finally found a solution (which is effective in Ubuntu test): 0. First, make sure that your voice is not too small (the sound options on the Panel can be considered alsamixer ), or the

Small knitting use notebook, found that the sound distortion, the original is a speaker without sound. This is not a common situation, but it may occur if you have used audio editing software or set it up through Third-party software. Appear Win7 notebook A loudspeaker is silent, can be handled through the computer system setup. Below, small make up for everyone to demonstrate a computer speaker lost the so

A. Buy a Bluetooth adapter and plug it into your computer.Two. Locate the Bluetooth icon in the lower right corner of the toolbarThree. Right-click the icon and select ' Show Bluetooth device 'Four. Find Xiaomi Bluetooth speaker ' NDZ-030-AA 'Five. Double-click to open it, then select the ' Services ' tab, check all the options, then click OK, the computer will automatically install the driverSix. Locate the horn icon in the lower right corner, right-

There is no speaker on the company's computer, but another alarm is required. When I used Windows many years ago, I used a simple program that I wrote with BCB. Later I switched to Linux and used a simple beep script, which was then run in cron. However, after upgrading to Ubuntu12.04 recently, it was found that it was not ringing hellip; the script for voice production was very simple :#! /Bin/shforiin $ (seq4) do nbsp There is no

Linux sound card settings (speaker and headset sound solutions at the same time)-Linux general technology-Linux technology and application information, the following is a detailed description. This sound card is relatively new. It can only be installed with the official driver on windows. In linux, it is sound, that is, the Speaker and the headset are ringing together, and there is no way to listen to music